src/common/stdpbase.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/stdpbase.cpp
   3 // Purpose:     wxStandardPathsBase methods common to all ports
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     2004-10-19
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2004 Vadim Zeitlin <vadim@wxwindows.org>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/app.h"
  29 #endif //WX_PRECOMP
  30 #include "wx/apptrait.h"
  31
  32 #include "wx/filename.h"
  33 #include "wx/stdpaths.h"
  34
  35 // ----------------------------------------------------------------------------
  36 // module globals
  37 // ----------------------------------------------------------------------------
  38
  39 namespace
  40 {
  41
  42 // Derive a class just to be able to create it: wxStandardPaths ctor is
  43 // protected to prevent its misuse, but it also means we can't create an object
  44 // of this class directly.
  45 class wxStandardPathsDefault : public wxStandardPaths
  46 {
  47 public:
  48     wxStandardPathsDefault() { }
  49 };
  50
  51 static wxStandardPathsDefault gs_stdPaths;
  52
  53 } // anonymous namespace
  54
  55 // ============================================================================
  56 // implementation
  57 // ============================================================================
  58
  59 /* static */
  60 wxStandardPaths& wxStandardPathsBase::Get()
  61 {
  62     wxAppTraits * const traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
  63     wxCHECK_MSG( traits, gs_stdPaths, wxT("create wxApp before calling this") );
  64
  65     return traits->GetStandardPaths();
  66 }
  67
  68 wxString wxStandardPathsBase::GetExecutablePath() const
  69 {
  70     if ( !wxTheApp || !wxTheApp->argv )
  71         return wxEmptyString;
  72
  73     wxString argv0 = wxTheApp->argv[0];
  74     if (wxIsAbsolutePath(argv0))
  75         return argv0;
  76
  77     // Search PATH.environment variable...
  78     wxPathList pathlist;
  79     pathlist.AddEnvList(wxT("PATH"));
  80     wxString path = pathlist.FindAbsoluteValidPath(argv0);
  81     if ( path.empty() )
  82         return argv0;       // better than nothing
  83
  84     wxFileName filename(path);
  85     filename.Normalize();
  86     return filename.GetFullPath();
  87 }
  88
  89 wxStandardPaths& wxAppTraitsBase::GetStandardPaths()
  90 {
  91     return gs_stdPaths;
  92 }
  93
  94 wxStandardPathsBase::wxStandardPathsBase()
  95 {
  96     // Set the default information that is used when
  97     // forming some paths (by AppendAppInfo).
  98     // Derived classes can call this in their constructors
  99     // to set the platform-specific settings
 100     UseAppInfo(AppInfo_AppName);
 101 }
 102
 103 wxStandardPathsBase::~wxStandardPathsBase()
 104 {
 105     // nothing to do here
 106 }
 107
 108 wxString wxStandardPathsBase::GetLocalDataDir() const
 109 {
 110     return GetDataDir();
 111 }
 112
 113 wxString wxStandardPathsBase::GetUserLocalDataDir() const
 114 {
 115     return GetUserDataDir();
 116 }
 117
 118 wxString wxStandardPathsBase::GetDocumentsDir() const
 119 {
 120     return wxFileName::GetHomeDir();
 121 }
 122
 123 wxString wxStandardPathsBase::GetAppDocumentsDir() const
 124 {
 125     const wxString docsDir = GetDocumentsDir();
 126     wxString appDocsDir = AppendAppInfo(docsDir);
 127
 128     return wxDirExists(appDocsDir) ? appDocsDir : docsDir;
 129 }
 130
 131 // return the temporary directory for the current user
 132 wxString wxStandardPathsBase::GetTempDir() const
 133 {
 134     return wxFileName::GetTempDir();
 135 }
 136
 137 /* static */
 138 wxString
 139 wxStandardPathsBase::AppendPathComponent(const wxString& dir,
 140                                          const wxString& component)
 141 {
 142     wxString subdir(dir);
 143
 144     // empty string indicates that an error has occurred, don't touch it then
 145     if ( !subdir.empty() )
 146     {
 147         if ( !component.empty() )
 148         {
 149             const wxChar ch = *(subdir.end() - 1);
 150             if ( !wxFileName::IsPathSeparator(ch) && ch != wxT('.') )
 151                 subdir += wxFileName::GetPathSeparator();
 152
 153             subdir += component;
 154         }
 155     }
 156
 157     return subdir;
 158 }
 159
 160
 161 wxString wxStandardPathsBase::AppendAppInfo(const wxString& dir) const
 162 {
 163     wxString subdir(dir);
 164
 165     if ( UsesAppInfo(AppInfo_VendorName) )
 166     {
 167         subdir = AppendPathComponent(subdir, wxTheApp->GetVendorName());
 168     }
 169
 170     if ( UsesAppInfo(AppInfo_AppName) )
 171     {
 172         subdir = AppendPathComponent(subdir, wxTheApp->GetAppName());
 173     }
 174
 175     return subdir;
 176 }
 177